420819841

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{21061}}^1$

素因数の和:21156

約数の個数: 16

約数和(自身を含む): 477686160

約数和(自身を除く): 56866319

約数列:

[1, 13, 29, 53, 377, 689, 1537, 19981, 21061, 273793, 610769, 1116233, 7939997, 14511029, 32370757, 420819841]

約数ペア:

[(1, 420819841), (13, 32370757), (29, 14511029), (53, 7939997), (377, 1116233), (689, 610769), (1537, 273793), (19981, 21061)]